Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1977-10-31
1980-01-29
Moses, R. L.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
1525652, 118652, G03G 2100
Patent
active
041859103
ABSTRACT:
In a photoconductive member cleaning device in which a magnetic brush is commonly used for development and cleaning, a low bias voltage preventing toner from attaching from the magnetic brush to the photoconductive member is applied to the magnetic brush when cleaning is performed.
REFERENCES:
patent: 3647293 (1972-03-01), Queener
patent: 3914045 (1975-10-01), Namiki et al
patent: 4003651 (1977-01-01), Hashida
Eastman Kodak Research Disclosure, "Improved Magnetic Brush Cleaning System," Oct. 1974, p. 44.
Koyama Mitsuaki
Nomura Yutaka
Moses R. L.
Tokyo Shibaura Electric Co. Ltd.
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